Fenner Drives - PowerTwist Plus - High Performance Conveyor Belting

Product Lines

HPC V-Belts

PowerTwist Plus V-Belts

Installation Instructions

Special PowerTwist Belts

Applications

Installation Instructions

Applications

Table 2: Arc of Contact Correction Factor (K) for V-Belt Drives

Where: D = large datum diameter

d = small datum diameter

C = center distance

D - d C	Arc of Contact, Ø on Small Pulley Diameter	Factor KØ
D - d C	Arc of Contact, Ø on Small Pulley Diameter	Z/10, A/13, B/17, C/22, D/32, SPZ, SPA, SPB, SPC
0.00	180	1.00
0.10	174	0.99
0.20	169	0.97
0.30	163	0.96
0.40	157	0.94
0.50	151	0.93
0.60	145	0.91
0.70	139	0.89
0.80	133	0.87
0.90	127	0.85
1.00	120	0.82
1.10	113	0.80
1.20	106	0.77
1.30	99	0.73
1.40	91	0.70
1.50	83	0.65